books.google.com - The idea that a person might suddenly snap and slaughter large numbers of people has become part of our cultural understanding through events such as the Columbine High School massacre and the D.C. Sniper case. But this image of the sudden turn from ordinary citizen, quiet neighbor, or non-descript teenager...http://books.google.com/books/about/Inside_the_Minds_of_Mass_Murderers.html?id=Cre7qsswRiwC&utm_source=gb-gplus-shareInside the Minds of Mass Murderers